1. The business mainly operates in Germany, with core products including doorbells, intercom systems, mailboxes, security equipment, outdoor lighting, and other smart home products. 2. In e-commerce, it is a German vertical-category retailer, with competitors including building materials and home retail sellers such as Eisenmarkt and Bauhaus. 3. The brand terms used on the official website are "Edelstahl-Türklingel" or "Metzler".